Re: [PATCH] gpio: siox: indicate exclusive support of threaded IRQs
From: Ahmad Fatoum
Date: Mon Sep 07 2020 - 11:36:40 EST
Hello Linus,
On 8/28/20 12:55 AM, Linus Walleij wrote:
> Hi Ahmad,
>
> On Tue, Aug 4, 2020 at 11:18 AM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:
>
>> Generic GPIO consumers like gpio-keys use request_any_context_irq()
>> to request a threaded handler if irq_settings_is_nested_thread() ==
>> true or a hardirq handler otherwise.
>>
>> Drivers using handle_nested_irq() must be sure that the nested
>> IRQs were requested with threaded handlers, because the IRQ
>> is handled by calling action->thread_fn().
>>
>> The gpio-siox driver dispatches IRQs via handle_nested_irq,
>> but has irq_settings_is_nested_thread() == false.
>>
>> Set gpio_irq_chip::threaded to remedy this.
>>
>> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
>
> I think we concluded we want to apply this patch, but with
> a fixed commit text, can you send a V2? (Or ask Uwe if he wants
> to pick it up and write the text.)
Thanks for the reminder. This slipped through.
I just sent out v2 (<20200907153135.3307-1-a.fatoum@xxxxxxxxxxxxxx>)
Cheers,
Ahmad
>
> Yours,
> Linus Walleij
>
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